The Failed Serotonin Theory of Depression: A Marxist Analysis

By Carlos L. Garrido – Sep 9, 2022

A recent study published in the journal Molecular Psychiatry sent shockwaves across the scientific community and popular outlets as it disproved the predominant “serotonin hypothesis” of depression. In just two weeks since its publication it has been accessed by nearly half a million people and the subject of dozens of subsequent articles. The researchers analyzed a total of seventeen systematic reviews, meta-analyses, and other large studies focused on the following six tenets pertinent to the “serotonin hypothesis” of depression:

“(1) Serotonin and the serotonin metabolite 5-HIAA—whether there are lower levels of serotonin and 5-HIAA in body fluids in depression; (2) Receptors—whether serotonin receptor levels are altered in people with depression; (3) The serotonin transporter (SERT)—whether there are higher levels of the serotonin transporter in people with depression (which would lower synaptic levels of serotonin); (4) Depletion studies—whether tryptophan depletion (which lowers available serotonin) can induce depression; (5) SERT gene—whether there are higher levels of the serotonin transporter gene in people with depression; (6) Whether there is an interaction between the SERT gene and stress in depression.”¹

None of the studies were able to prove any significant link between serotonin levels and depression based on the above tenets, leading the researchers to conclude that “there is no convincing evidence that depression is associated with, or caused by, lower serotonin concentrations or activity.”²

The researchers further argue, “The idea that depression is the result of abnormalities in brain chemicals, particularly serotonin (5-hydroxytryptamine or 5-HT), has been influential for decades,” such that today “80% or more of the general public now believe it is established that depression is caused by a ‘chemical imbalance.”³ In light of this finding, one must ask—how did a hypothesis which failed to substantially prove the connection it is based on achieve such general acceptance?

The serotonin hypothesis wasn’t always the dominant explanation for depression. Shortly after the Second World War, “the first antipsychotic, chlorpromazine, was synthesized when chlorine was added to the promethazine structure.”⁴ This synthesis formed “the basis of the development of the first antidepressants” which emerged following Roland Kuhn’s 1957 presentation in the World Psychiatric Association Meeting, where shortly after the first tricyclic antidepressant was released for clinical use in Switzerland.⁵

A decade later, in the mid-1960s, a series of studies introduced serotonin as the “molecule behind depression.” These studies culminated in the work of Lapin and Oxenkrug, who postulated in 1969 the ”serotonergic theory of depression, which was based on a deficit of serotonin at an inter-synaptic level in certain brain regions.”⁶ In the following years, the pharmaceutical company Eli Lilly created a serotonin-depression study team, which found that fluoxetine hydrochloride was “the most powerful… selective inhibitor of serotonin uptake among all the compounds developed.”⁷ The results led to the 1987 Food and Drug Administration (FDA) approval of the clinical usage of Prozac (the brand name given to fluoxetine), the first major selective serotonin receptor inhibitor (SSRI) antidepressant drug.⁸

Prozac became the drug of the age, a commodity which, like Brave New World’s soma, could provide direct, unmediated happiness.

The release of Prozac revolutionized the commodification of medicine, incorporating a new field of mass advertisement which has since become the norm. However, as the documentary, Prozac: A Revolution in a Capsule demonstrates, the drug obtained its prominence not only through advertisement—which, interestingly enough, first occurred through business and finance magazines—but through its incorporation into culture as an iconic symbol of the zeitgeist.⁹ From Woody Allen movies to The Sopranos to late night talks shows, Prozac became the drug of the age, a commodity which, like Brave New World’s soma, could provide direct, unmediated happiness. This quickly resulted in the “Prozac boom,” making it by 1990 the most prescribed drug in the United States, and within ten years of its 1988 release, visits to the doctor for depression doubled and the prescribing of antidepressants tripled.¹⁰

The association of depression with low levels of serotonin was an intentional result of institutionally supported (e.g., American Psychiatric Organization) marketing campaigns from the pharmaceutical industry. This has provided “an important justification for the use of antidepressants” and perpetuated an antidepressant drug market that was valued at almost $16 billion in 2020 (a number expected to rise to $21 billion by the end of the decade);¹¹ in today’s antidepressant epidemic, one in six Americans are on antidepressants.¹² This phenomenon cannot be understood separately from the general commodification and marketization of medicine. As Joanne Moncrieff has argued, “there are some obvious drivers of this trend, such as the pharmaceutical industry, whose marketing activities have been facilitated both by the arrival of the Internet, and political deregulation, including the repeal of the prohibition on advertising to consumers in the US and some other countries in the 1990s.”¹³

Venezuela’s Socialist Healthcare System

This is how and why the serotonin theory gained and sustained its hegemony since the 1990s. However, within the scientific community this hypothesis has been on the chopping block for almost two decades as individual studies have disconfirmed various parts of the hypothesis. The scientific community, in general, is much more skeptical of the “serotonin hypothesis” than the general public. This disconnection between the much more nuanced science on depression and the public perception of the issue has been the subject of various articles and speaks to both the separation of science from everyday life and to the effectiveness of medical marketization.¹⁴ Nonetheless, the explosion the recent study caused is a result of its comprehensive character as an “umbrella review” which examined all parts of the serotonin hypothesis at once—and in doing so, went well beyond the many studies which have focused on separate parts in the last couple of decades.

From Biochemical Determinism to Dialectical Materialism
There is a prevalent myth which holds that those who function in society as professional “intellectuals” are somehow “autonomous and independent” from the dominant social order and the interests of the ruling class.¹⁵ This myth predominates in the community of the “hard” sciences perhaps more than in any level of traditional intellectuals. Here it is taken as sensum communem that science is objective and disconnected from ideology and social factors. For these folks, as Marxist scientists Richard Levins and Richard Lewontin said, “nothing evokes as much hostility… as the suggestion that social forces influence or even dictate either the scientific method or the facts and theories of science.”¹⁶ But it is in this illusion of non-ideological objectivity where ideology can be seen to be the most entrenched, functioning as unknown knowns, that is, as unrecognized assumptions or inherent biases which mediate how scientists approach the world.

This does not mean, as the postmodernist disease¹⁷ which influences some of the philosophy of science holds, that we should maintain a “deep epistemological skepticism” which often, as Ellen Meiksins Wood notes, conflates “the forms of knowledge with its objects… as if they are saying not only that, for instance, the science of physics is a historical construct, which has varied over time and in different social contexts, but that the laws of nature are themselves ‘socially constructed’ and historically variable.”¹⁸

On the contrary, in Marxism, as Helena Sheehan argues, there is “no conflict between [stressing] the historical and contextual nature of science and [affirming] the rationality of science and the overall progressive character of its development.”¹⁹ In essence, the Marxist tradition’s understanding of the socially determined character of scientific production does not mean that scientific objectivity is rejected and that the object of scientific study itself is conceived of as relative. The form of abstract and unmediated objectivism which prevails in the sciences is rejected and what is affirmed is a necessarily socially mediated understanding of scientific objectivity. This overcomes, as Sheehan notes, the stale “objectivist/constructivist” binary which today structures the discourse about science and affirms instead a dialectical both/and attitude.²⁰ This is important to clarify so that the forthcoming analysis of capitalism’s influence on science is not confused as an embracement of relativism and a rejection of science’s ability to produce objective knowledge of the world.

The serotonin hypothesis emerges from what Levins and Lewontin called “Cartesian reductionism” (the objectivist extreme), which they held to be the “dominant mode of analysis” in all spheres of today’s sciences. In psychiatry this shows up as genetic and biochemical determinism, an attempt to reduce the complexity of mental health issues to genetics or to biochemical mechanisms which, with respect to the latter, somehow the major pharmaceutical companies always have a pill for. But, as Moncrieff has argued, “mental health problems are not equivalent to physical, medical conditions and are more fruitfully viewed as problems of communities or societies.”²¹

Reductionism, in essence, is a methodological reflection in the sciences of bourgeois individualism and Robinsonade forms of thinking, which artificially divorce individuals from society and hold the latter to be simply the sum of the former.

For instance, studies have shown that “within a given location, those with the lowest incomes are typically 1.5 to 3 times more likely than the rich to experience depression or anxiety.”²² The plethora of factors that stem from and contribute to poverty has allowed researchers to establish “a bidirectional causal relationship between poverty and mental illness,” such that poverty both increases the likelihood of mental illness and is proliferated further by it.²³ The fact that the poorest in any context are up to three times more likely to experience depression than the rich shows that any analysis of depression must necessarily take into account the socioeconomic context of the individual. This inequality induced dissatisfaction allows one to understand both poverty and depression relationally. As Marx had already noted in 1847,

Our desires and pleasures spring from society; we measure them, therefore, by society and not by the objects which serve for their satisfaction. Because they are of a social nature, they are of a relative nature… A house may be large or small; as long as the surrounding houses are equally small it satisfies all social demands for a dwelling. But let a palace arise beside the little house, and it shrinks from a little house to a hut… if the neighboring palace grows to an equal or even greater extent, the occupant of the relatively small house will feel more and more uncomfortable, dissatisfied and cramped within its four walls.²⁴

The Cartesian reductive framework contains various methodological flaws which prevent the concrete understanding of the world. It treats, for instance, the interactions of parts and whole one-sidedly—as if parts are homogenous entities ontologically prior to the whole, and hence, as if the whole was simply the sum of its parts. In so doing, this outlook draws artificial hard and fast lines between causes and effects and fails to see how parts and wholes are reciprocally conditioning, i.e., how “their very interaction structures the way they are interrelated and interpenetrated, resulting in what is called a whole.”²⁵ In short, how wholes are not simply the sum of their parts, but the totalities through which the parts themselves attain the functions which form the whole. It is, in essence, a methodological reflection in the sciences of bourgeois individualism and Robinsonade²⁶ forms of thinking, which artificially divorce individuals from society and hold the latter to be simply the sum of the former.

However, biochemical determinism/reductionism does not necessarily have to reduce explanations to only one factor. For instance, the inconsistent success of SSRIs²⁷ in treating depression has led some scientists to sustain ex juvantibus²⁸ (from reasoning backwards) that serotonin’s role in depression is interactive and dependent on its relations with adrenaline, dopamine, and other chemical processes. Although this represents a more complex view of the serotonin hypothesis in particular, and of the often wrongly conflated “chemical imbalance” view of depression, it is nonetheless a form of biochemical determinism.²⁹ This is because it fails to see how the “chemical imbalances” don’t arise out of a void but are produced by the concrete environment the individual is in. The point, again, is not to diminish the biochemical in order to elevate the role of the environment, but to see both the biochemical and the environment as dialectically interconnected, acting “upon each other through the medium of the [individual].”³⁰ As Levins and Lewontin argue, the individual “cannot be regarded as simply the passive object of autonomous internal (biochemical composition/genes) and external (environment) forces;” instead, the individual functions as a subject-object which is both conditioned by these factors (as object) and reciprocally conditions them (as subject).³¹

The limitations of the prevalent serotonin hypothesis also helps to demonstrate what Friedrich Engels noted in his unfinished Dialectics of Nature: although “natural scientists believe that they free themselves from philosophy by ignoring it or abusing it… they are no less in bondage to philosophy but unfortunately in most cases to the worst philosophy.”³² This reductive, bio-determinist outlook straitjackets science within abstract thought, preventing it from seeing things in their movements and interconnections. It forces the reduction of larger problems to simple components—since these are seen as the ontological basis of wholes—and limits the possibility of observing issues like depression dynamically and comprehensively.

It is much easier to reduce depression to a biochemical phenomenon in the brain than to analyze how the social relations prevalent in the capitalist mode of life create the conditions for the emergence of depression. Similarly, once this reduction is established, it is much easier to treat the “solution” through individualized drug consumption than through socially organized revolutionary activity. As Moncrieff has argued, “by obscuring [the] political nature” of mental illness, certain “contentious social activities” are enabled, and attention is diverted “from the failings of the underlying economic system.”³³

Tracing depression to the exploitative and alienating relations sustained between people and their work, their peers, and nature, is not only a much more laborious task, but one which would necessarily end in the realization of the systemic root of the problem. Given capitalism’s universal commodification, and the form this takes in what Levins and Lewontin call the “commoditization of science,” such a result is directly against the interests of the institutions that control scientific knowledge production.³⁴ As one of many other fields in which the universalizing logic of commodity production has penetrated, the aim is, of course, profitability; the quest for truth and scientific discovery is subsumed under the quest for profit. This is especially true after four decades of neoliberalism, where, as Moncrieff notes, “more and more aspects of human feelings and behaviour” have been commodified and turned “into a source of profit for the pharmaceutical and healthcare industries.”³⁵ “Investing in research,” as Levins and Lewontin argue, is but “one of several ways of investing in capital.”³⁶

In the West, this reality was clear to the rich tradition of British Marxists scientists like J.B.S. Haldane, J.D. Bernal, Hyman Levy, and others which emerged following the 1931 Second International Congress of the History of Science and Technology. As J.D. Bernal stated in 1937, “production for profit can never develop the full potentialities of science except for destructive purposes,” only “the Marxist understanding of science puts it in practice at the service of the community and at the same time makes science itself part of the cultural heritage of the whole people and not of an artificially selected minority.”³⁷

Healthcare for Human Rights, Not Profits: what the US Can Learn from Cuba’s Coronavirus Response

Towards Socialist Science and Medicine
The serotonin theory gained prominence because: 1) it fits within the one-factor, causally linear framework of the Cartesian reductionist outlook prevalent in mainstream science; 2) it was a diagnosis which facilitated the greatly profitable solution embodied in the tens of billions of dollars’ worth antidepressant drug industry; 3) it plays a hegemonic role in steering the diagnosis of the depression epidemic away from its real source—capitalist social relations which sustain the mass of people alienated from what they produce, from other people, and from nature—and, specifically with respect to the United States, in drowning debt for getting sick, pursuing an education, or attempting to own a home.

Socialism removes these material difficulties upon which many mental health issues are grounded and places the working class in control of the economy, state, and civil institutions, making them function in the service of human and planetary needs, not profit. By abolishing poverty and war; guaranteeing healthcare, housing, and education as a right for all; providing everyone with meaningful well-paying jobs; amongst other things, a socialist society creates the economic and social security which radically transforms the environment in which most cases of depression are rooted. If one seriously seeks to overcome the depression epidemic capitalism is hurling the mass of people into, socialism is the only real solution.

In Cuba, mental health treatment emphasizes “individual and group psychotherapies” of various kinds and incorporates psychopharmacology in an integrated fashion with the former.

Likewise, only socialism can de-commodify science and provide the general social atmosphere for a move away from a hegemonic outlook dominated by static, reductive, abstract, individualist, irrationalist, deterministic, and binary thought, and towards a dialectical materialist one which emphasizes change, interconnection, reciprocity, sociality, emergence, and concrete investigation of the concrete.³⁸ The extraordinary successes of Cuban science and medicine testify to what can be done when the profit motive is removed and comprehensive, preventative, and community-based care becomes the norm.

While enduring an internationally denounced blockade from the most formidable of empires, the Cuban revolution’s commitment to a science for the people has allowed it to construct what is internationally recognized as one of the best health care systems in the world.³⁹ Cuba’s comprehensive social care emphasizes the impact of biological, social, cultural, economic and environmental factors on patients. Far from the United States’ drug-first approach of dealing with mental health issues, Cuba’s comprehensive social care allows all medical issues to be better understood at their source, treated, and prevented from occurring.⁴⁰ In Cuba, mental health treatment emphasizes “individual and group psychotherapies” of various kinds,⁴¹ and when not hampered by the blockade, incorporates psychopharmacology in an integrated fashion with the former.⁴²

Cuban scientists see mental health issues and treatment “within the context of the community,” not isolated individuals.⁴³ As Alexis Lorenzo Ruiz, president of the Cuban Society of Psychology, said: “At all times, the community—like the family—are participants and necessary contributors in each action taken to move toward an improvement in the wellbeing of people with mental illness.”⁴⁴ Additionally, unlike the disease-centered model of care which predominates in most capitalist countries, this human-centered approach promotes multidisciplinary and integrative relations between mental and medical care within the different fields of medicine—various forms of medical doctors, psychologists, nurses, and other health care professionals train side by side each other within the communities they serve in.⁴⁵ This socialist model has afforded the Cuban people the conditions where, despite the enormous material difficulties created by the US blockade, depression in Cuba affects only 3.8 percent of the population, whereas in the United States 4.8 percent.⁴⁶

In their 1985 book, The Dialectical Biologist, Levins and Lewontin reformulate Marx’s Eleventh Thesis and state that “dialectical philosophers have thus far only explained science. The problem, however, is to change it.”⁴⁷ In the West, the seeds of such a change are emerging once again. As Nafis Hasan wrote in Science for the People, “recent developments in the fields of immunology, cancer, theoretical and evolutionary biology lend credence” to the view that “any non-reductionist approach (e.g., systems biology) to studying biology will advertently end up using a dialectical approach.”⁴⁸ The fall of the reductive serotonin hypothesis in depression research is but one instance in many pointing to the fact that the dominant outlook presents a fetter for the development of the sciences. Just like a socialist revolution is needed to free humanity and the forces of production from the fetters of the capitalist system of waste, a revolution in outlook is needed to free the sciences from its archaic Cartesian reductionism and furnish it with “the most scientifically apt method for understanding the world”—dialectical materialism.⁴⁹

Notes:

1. Joanna Moncrieff et al., “The Serotonin Theory of Depression: A Systematic Umbrella Review of the Evidence,” Molecular Psychiatry (2022), https://doi.org/10.1038/s41380-022-01661-0.
2. Moncrieff et al., “The Serotonin Theory of Depression.”
3. Moncrieff et al., “The Serotonin Theory of Depression.”
4. Victor Silva Pereira and Vinícius Antonio Hiroaki-Sato, “A Brief History of Antidepressant Drug Development: From Tricyclics to Beyond Ketamine,” Acta Neuropsychiatrica 30, no. 6 (February 2018): 307–322, https://doi.org/10.1017/neu.2017.39.
5. Pereira and Hiroai-Sato, ”A Brief History.”
6. Pereira and Hiroai-Sato, ”A Brief History.”
7. Pereira and Hiroai-Sato, ”A Brief History.”
8. Pereira and Hiroai-Sato, ”A Brief History.”
9. “Prozac: Revolution in a Capsule,” New York Times, September 21, 2014, https://www.nytimes.com/video/us/100000003127845/revolution-in-a-capsule.html?playlistId=100000002148738.
10. Pereira and Hiroai-Sato, ”A Brief History.”
11. Linu Dash, Vidhya Wable, and Onkar Suman, Antidepressant Drugs Market: Global Opportunity Analysis and Industry Forecast, 2021–2030 (Allied Market Research, 2022), https://www.alliedmarketresearch.com/antidepressants-drugs-market; Moncrieff et al., “The Serotonin Theory of Depression.”
12. Megan Pagaduan, “America’s Epidemic of Antidepressants,” Berkeley Political Review, November 7, 2021, https://bpr.berkeley.edu/2021/11/07/americas-epidemic-of-antidepressants/.
13. Joanna Moncrieff, “The Political Economy of the Mental Health System: A Marxist Analysis,” Frontiers in Sociology 6 (2022): 771875, https://doi.org/10.3389/fsoc.2021.771875.
14. Jeffrey R. Lacasse and Jonathan Leo, “Serotonin and Depression: A Disconnect Between the Advertisements and the Scientific Literature,” PLOS Medicine 2, no. 12: e392, https://doi.org/10.1371/journal.pmed.0020392. Note: This article also shows how the disconnection between the science and the advertisement violates the laws of the FDA, but that the FDA has been deliberately inactive in cracking down on marketized misinformation because these advertisements are given “to the fraction of the public that functions at no higher than a 6th grade reading level.” Basically, the FDA allows this misinformation to disseminate because the viewers are too unintelligent to understand the truth.
15. Antonio Gramsci, The Prison Notebooks (New York: International Publishers, 2014), 7.
16. Richard Levins and Richard Lewontin, The Dialectical Biologist (Cambridge: Harvard University Press, 1985), 4.
17. “Postmodern Disease” is a concept introduced by Ellen Meiksins Wood in the Monthly Review collection In Defense of History: Marxism and the Postmodern Agenda, which deals with themes relating to the hegemonization of postmodernism in academia and how it serves, in various and often indirect ways, the capitalist “end of history”’ narrative. Its rejection of history, comprehensive outlooks, socially informed scientific objectivity, class struggle, etc., establishes it as an enemy of Marxism while passing itself as “more radical.” The paradox, however, is that it not only fails to oppose the existing order, but actively serves as one of its key hegemonic tools. As Ellen Meiksins Wood states, “Postmodernism is no longer the diagnosis… it has become the disease.”
18. Ellen Meiksins Wood, “What is the ‘Postmodern’ Agenda,” in In Defense of History: Marxism and the Postmodern Agenda, ed. Ellen Meiksins Wood and John Bellamy Foster (New York: Monthly Review Press, 1997), 5, 7, 10.
19. Helena Sheehan, Marxism and the Philosophy of Science (New York: Verso Books, 2017), 46.
20. Helena Sheehan, “Marxism, Science, and Science Studies: From Marx and Engels to COVID-19 and COP26,” Monthly Review 74, no. 1 (May 2022), https://monthlyreview.org/2022/05/01/marxism-science-and-science-studies/.
21. Moncrieff, “The Political Economy of the Mental Health System.”
22. Matthew Ridley et. al., “Poverty, Depression, and Anxiety: Causal Evidence and Mechanisms,” Science 370, no. 6522 (December 2020): eaay0214, https://doi.org/10.1126/science.aay0214.
23. Ridley et. al., “Poverty, depression, and Anxiety.”
24. Karl Marx, Wage Labour and Capital (Beijing: Foreign Languages Press, 1975), 33.
25. Kaan Kangal, “Engels’s Emergentist Dialectics,” Monthly Review 72, no. 6 (November 2020), https://monthlyreview.org/2020/11/01/engelss-emergentist-dialectics/.
26. “The individual and isolated hunter and fisherman, with whom Smith and Ricardo begin, belongs among the unimaginative conceits of the eighteenth-century Robinsonades.” Karl Marx, Grundrisse (London: Penguin Books, 1993), 83.
27. For instance, studies have shown that “approximately 80% of the response to medication was duplicated in placebo control groups.” See Iving Kirsch et al., “The Emperor’s New Drugs: An Analysis of Antidepressant Medication Data Submitted to the U.S. Food and Drug Administration,” Prevention & Treatment 5, no. 1 (July 2002), https://psycnet.apa.org/buy/2002-14079-003. A similar conclusion was arrived at in a recent study which pooled 73,000 patients and showed that only around 15 percent of the time do the drugs work better than the placebos. As the researchers concluded: “Patients with depression are likely to improve substantially from acute treatment of their depression with drug or placebo. Although the mean effect of antidepressants is only a small improvement over placebo, the effect of active drug seems to increase the probability that any patient will benefit substantially from treatment by about 15%.” Marc B. Stone et. al., “Response to Acute Monotherapy for Major Depressive Disorder in Randomized, Placebo Controlled Trials Submitted to the US Food and Drug Administration: Individual Participant Data Analysis  ,” BMJ 378 (2022): e067606, https://doi.org/10.1136/bmj-2021-067606.
28. As was noted by the study referenced above, this “line of reasoning is logically problematic—the fact that aspirin cures headaches does not prove that headaches are due to low levels of aspirin in the brain.” Jeffrey R Lacasse and Jonathan Leo, “Serotonin and Depression.”
29. The conflation is distinctly present in marketing.
30. Levins and Lewontin, The Dialectical Biologist, 89.
31. It is also important to note that “every part or activity of an organism acts as environment for other parts,” such that this dialectical integration does not just occur mechanically between the whole organism (individual X) and their environment, but within various sub-levels which themselves function as part and environment. Levins and Lewontin, The Dialectical Biologist, 58.
32. Friedrich Engels, Dialectics of Nature (London: Wellred Books, 2012), 213.
33. Moncrieff, “The Political Economy of the Mental Health System.”
34. Levins and Lewontin, The Dialectical Biologist, 199.
35. Moncrieff, “The Political Economy of the Mental Health System.”
36. Levins and Lewontin, The Dialectical Biologist, 200.
37. J.D. Bernal, “Dialectical Materialism and Modern Science,” Science and Society 2, no. 1 (Winter 1937): 63.
38. This refers to the method of ascending from the abstract (less determinations, more superficial, less complex) to the concrete (more determinations, more complex, more comprehensive) which is at the core of both idealist and materialist dialectics. For instance, Marx’s Capital (as a whole) is at its core a categorial ascension from the less concrete categories in volume one (commodity, money, capital, absolute and relative surplus value) to the more concrete categories in volumes two and three (various capital circuits, turnover of various forms of capital, etc. for volume two and price, rate of profit, various types of capital, etc. for volume three). This categorial ascension allows for the most concrete—capitalist production as a whole (the title of volume three)—to be reproduced concretely in thought. The same movement can be seen in Hegel’s Logic’s ascension from being (most abstract category) to absolute spirit (the most concrete category).
39. For more on the United States’ hybrid warfare on Cuba, see my article for Covert Action Magazine or my seminar on the 26^th of July movement for the People’s School for Marxist Leninist Studies.
40. Helen Yaffe, We Are Cuba: How a Revolutionary People Have Survived in a Post-Soviet World (Great Britain: Yale University Press, 2020), 127.
41. This includes activities like psycho-ballet and other exercises and arts, yoga, martial arts, etc.
42. Sheila J. Linz and Alexis Lorenzo Ruiz, “Learning About Mental Healthcare in Today’s Cuba: An Interview with the President of the Cuban Society of Psychology,” Perspectives In Psychiatric Care 57, no. 1 (January 2021), https://doi.org/10.1111/ppc.12548.
43. Linz and Ruiz, “Learning About Mental Healthcare in Today’s Cuba.”
44. Linz and Ruiz, “Learning About Mental Healthcare in Today’s Cuba.”
45. Linz and Ruiz, “Learning About Mental Healthcare in Today’s Cuba.”
46. Linz and Ruiz, “Learning About Mental Healthcare in Today’s Cuba.”
47. Levins and Lewontin, The Dialectical Biologist, 288.
48. Nafis Hasan, “Biology at Another Crossroads,” Science for the People, July 18, 2022, https://magazine.scienceforthepeople.org/lewontin-special-issue/biology-at-another-crossroads/.
49. Carlos L. Garrido, “The Dialectical Ascension from the Abstract to the Concrete,” Midwestern Marx, July 28, 2022, https://www.midwesternmarx.com/articles/the-dialectical-ascension-from-the-abstract-to-the-concrete-by-carlos-l-garrido.

(Science for the People)

Carlos L. Garrido

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Carlos L. Garrido is a Cuban American philosophy instructor at Southern Illinois University, Carbondale. He is the director of the Midwestern Marx Institute and the author of The Purity Fetish and the Crisis of Western Marxism (2023), Marxism and the Dialectical Materialist Worldview (2022), and the forthcoming Hegel, Marxism, and Dialectics (2024). He has written for dozens of scholarly and popular publications around the world and runs various live-broadcast shows for the Midwestern Marx Institute YouTube. You can subscribe to his Philosophy in Crisis Substack HERE.

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